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/****************************************************************************
****************************************************************************
***
*** This header was automatically generated from a Linux kernel header
*** of the same name, to make information necessary for userspace to
*** call into the kernel available to libc. It contains only constants,
*** structures, and macros generated from the original header, and thus,
*** contains no copyrightable information.
***
*** To edit the content of this header, modify the corresponding
*** source file (e.g. under external/kernel-headers/original/) then
*** run bionic/libc/kernel/tools/update_all.py
***
*** Any manual change here will be lost the next time this script will
*** be run. You've been warned!
***
****************************************************************************
****************************************************************************/
#ifndef _UAPI_LINUX_SURFACE_AGGREGATOR_DTX_H
#define _UAPI_LINUX_SURFACE_AGGREGATOR_DTX_H
#include <linux/ioctl.h>
#include <linux/types.h>
#define SDTX_CATEGORY_STATUS 0x0000
#define SDTX_CATEGORY_RUNTIME_ERROR 0x1000
#define SDTX_CATEGORY_HARDWARE_ERROR 0x2000
#define SDTX_CATEGORY_UNKNOWN 0xf000
#define SDTX_CATEGORY_MASK 0xf000
#define SDTX_CATEGORY(value) ((value) & SDTX_CATEGORY_MASK)
#define SDTX_STATUS(code) ((code) | SDTX_CATEGORY_STATUS)
#define SDTX_ERR_RT(code) ((code) | SDTX_CATEGORY_RUNTIME_ERROR)
#define SDTX_ERR_HW(code) ((code) | SDTX_CATEGORY_HARDWARE_ERROR)
#define SDTX_UNKNOWN(code) ((code) | SDTX_CATEGORY_UNKNOWN)
#define SDTX_SUCCESS(value) (SDTX_CATEGORY(value) == SDTX_CATEGORY_STATUS)
#define SDTX_LATCH_CLOSED SDTX_STATUS(0x00)
#define SDTX_LATCH_OPENED SDTX_STATUS(0x01)
#define SDTX_BASE_DETACHED SDTX_STATUS(0x00)
#define SDTX_BASE_ATTACHED SDTX_STATUS(0x01)
#define SDTX_DETACH_NOT_FEASIBLE SDTX_ERR_RT(0x01)
#define SDTX_DETACH_TIMEDOUT SDTX_ERR_RT(0x02)
#define SDTX_ERR_FAILED_TO_OPEN SDTX_ERR_HW(0x01)
#define SDTX_ERR_FAILED_TO_REMAIN_OPEN SDTX_ERR_HW(0x02)
#define SDTX_ERR_FAILED_TO_CLOSE SDTX_ERR_HW(0x03)
#define SDTX_DEVICE_TYPE_HID 0x0100
#define SDTX_DEVICE_TYPE_SSH 0x0200
#define SDTX_DEVICE_TYPE_MASK 0x0f00
#define SDTX_DEVICE_TYPE(value) ((value) & SDTX_DEVICE_TYPE_MASK)
#define SDTX_BASE_TYPE_HID(id) ((id) | SDTX_DEVICE_TYPE_HID)
#define SDTX_BASE_TYPE_SSH(id) ((id) | SDTX_DEVICE_TYPE_SSH)
enum sdtx_device_mode {
SDTX_DEVICE_MODE_TABLET = 0x00,
SDTX_DEVICE_MODE_LAPTOP = 0x01,
SDTX_DEVICE_MODE_STUDIO = 0x02,
};
struct sdtx_event {
__u16 length;
__u16 code;
__u8 data[];
} __attribute__((__packed__));
enum sdtx_event_code {
SDTX_EVENT_REQUEST = 1,
SDTX_EVENT_CANCEL = 2,
SDTX_EVENT_BASE_CONNECTION = 3,
SDTX_EVENT_LATCH_STATUS = 4,
SDTX_EVENT_DEVICE_MODE = 5,
};
struct sdtx_base_info {
__u16 state;
__u16 base_id;
} __attribute__((__packed__));
#define SDTX_IOCTL_EVENTS_ENABLE _IO(0xa5, 0x21)
#define SDTX_IOCTL_EVENTS_DISABLE _IO(0xa5, 0x22)
#define SDTX_IOCTL_LATCH_LOCK _IO(0xa5, 0x23)
#define SDTX_IOCTL_LATCH_UNLOCK _IO(0xa5, 0x24)
#define SDTX_IOCTL_LATCH_REQUEST _IO(0xa5, 0x25)
#define SDTX_IOCTL_LATCH_CONFIRM _IO(0xa5, 0x26)
#define SDTX_IOCTL_LATCH_HEARTBEAT _IO(0xa5, 0x27)
#define SDTX_IOCTL_LATCH_CANCEL _IO(0xa5, 0x28)
#define SDTX_IOCTL_GET_BASE_INFO _IOR(0xa5, 0x29, struct sdtx_base_info)
#define SDTX_IOCTL_GET_DEVICE_MODE _IOR(0xa5, 0x2a, __u16)
#define SDTX_IOCTL_GET_LATCH_STATUS _IOR(0xa5, 0x2b, __u16)
#endif
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